# Copyright (C) 2001-2016 Quantum ESPRESSO group
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License. See the file `License' in the root directory
# of the present distribution.
#
# Makefile for fundamental math libraries

include ../make.inc
include install_utils

#.NOTPARALLEL: liblapack_internal

# NETLIB targets
#BLAS_NETLIB=blas-3.6.0.tgz
#BLAS_NETLIB_NAME=BLAS-3.6.0
#BLAS_NETLIB_URL=http://www.netlib.org/blas/${BLAS_NETLIB}

LAPACK_NETLIB=lapack-3.6.1.tgz
LAPACK_NETLIB_NAME=lapack-3.6.1
LAPACK_NETLIB_URL=http://www.netlib.org/lapack/${LAPACK_NETLIB}

#
# MAIN target
#
all: 
	$(MAKE) libblas_$(BLAS_LIBS_SWITCH) 
	$(MAKE) liblapack_$(LAPACK_LIBS_SWITCH) 
	$(MAKE) libelpa_internal 
	$(MAKE) libiotk 

libblas : libblas_$(BLAS_LIBS_SWITCH)

libblas_external : fake_blas_external

fake_blas_external :
	touch fake_libblas.a
	-rm fake_libblas.a

#libblas_internal:
#	$(call download_and_unpack,$(BLAS_NETLIB_NAME),$(BLAS_NETLIB_URL),BLAS,BLAS)
#	if test -e make_blas.inc; then \
#	(cp make_blas.inc ../BLAS/make.inc; \
#	cd ../BLAS; $(MAKE) ); else \
#        (echo "no configuration file found for blas"; \
#	echo "run configure from main QE dir"; exit); fi

liblapack : liblapack_$(LAPACK_LIBS_SWITCH) 

liblapack_external : fake_lapack_external

fake_lapack_external :
	touch fake_liblapack.a
	-rm fake_liblapack.a

liblapack_internal:
	$(call download_and_unpack,$(LAPACK_NETLIB_NAME),$(LAPACK_NETLIB_URL),LAPACK,LAPACK)
	if test ! -e ../LAPACK/liblapack.a && test -e make_lapack.inc; then \
	  (cp make_lapack.inc ../LAPACK/make.inc; \
	  cd ../LAPACK; $(MAKE) blaslib lapacklib); else \
        (echo "no configuration file found for lapack"; \
         echo "run configure from main QE dir"; exit); fi 

libiotk:
	if test ! -d ../S3DE; then \
	(gzip -dc ../archive/iotk-1.2.beta.tar.gz | (cd ../; tar -xvf -)) ; \
	if test -e Makefile_iotk; then \
        (cp Makefile_iotk ../S3DE/iotk/src/Makefile); fi; \
	if test -e iotk_config.h; then \
	(cp iotk_config.h ../S3DE/iotk/include/iotk_config.h); fi; fi
	cd ../S3DE/iotk/src; $(MAKE) lib+util; 
	cd ../bin; ln -fs ../S3DE/iotk/tools/iotk .; \
	ln -fs ../S3DE/iotk/src/iotk.x .; \
	ln -fs ../S3DE/iotk/src/iotk_print_kinds.x .; \
	cd ../; ln -fs S3DE/iotk iotk
	
# ELPA
libelpa : libelpa_$(ELPA_LIBS_SWITCH)

libelpa_ : fake_elpa_external
libelpa_disabled : fake_elpa_external

fake_elpa_external :
	touch fake_libelpa.a
	-rm fake_libelpa.a

libelpa_enabled:
	if test ! -d ../ELPA; then \
	( gzip -dc ../archive/ELPA-0.3.tar.gz |(cd ../; tar -xvf -)); fi
	cd ../ELPA; $(MAKE)
	
###################################
# cleaning
###################################
# each lib independently
#blas_clean:
#	if test -d ../BLAS; then (cd ../BLAS; $(MAKE) clean); fi
#blas_veryclean:
#	if test -d ../BLAS; then (rm -R -f ../BLAS ../${BLAS_NETLIB_NAME}); fi
lapack_clean:
	if test -d ../LAPACK; then (cd ../LAPACK; $(MAKE) clean); fi
lapack_veryclean:
	if test -d ../LAPACK; then (rm -R -f ../LAPACK ../${LAPACK_NETLIB_NAME}); fi
elpa_clean:
	if test -d ../ELPA; then (cd ../ELPA; $(MAKE) clean); fi
elpa_veryclean:
	if test -d ../ELPA; then (rm -R -f ../ELPA); fi
iotk_clean:
	if test -d ../S3DE; then (cd ../S3DE; $(MAKE) clean); fi
	if test -d ../iotk; then (rm -R -f ../iotk); fi
	if test -e ../S3DE/iotk/src/iotk.x; then \
	rm -f ../S3DE/iotk/src/iotk.x; fi
	(rm -f ../bin/iotk; \
	rm -f ../bin/iotk.x; \
	rm -f ../bin/iotk_print_kinds.x)
iotk_veryclean:
	if test -d ../S3DE; then (rm -R -f ../S3DE); fi
	if test -d ../iotk; then (rm -R -f ../iotk); fi
	if test -e ../S3DE/iotk/src/iotk.x; then (rm -f ../S3DE/iotk/src/iotk.x); fi
	rm -f ../bin/iotk; \
	rm -f ../bin/iotk.x; \
	rm -f ../bin/iotk_print_kinds.x; \
	rm -f ../iotk

# general cleaning
#clean: blas_clean lapack_clean elpa_clean iotk_clean
#veryclean: blas_veryclean lapack_veryclean elpa_veryclean iotk_veryclean
clean: lapack_clean elpa_clean iotk_clean
veryclean: lapack_veryclean elpa_veryclean iotk_veryclean